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Finding the Fourth Proportional to 226,643.67, 338,041.86 and 222,658.47

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Solution

The fourth proportional to 226,643.67, 338,041.86 and 222,658.47 is: 332,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,643.67 : 338,041.86 = 222,658.47 : x
  2. Step 2: Convert to fraction form
    226,643.67/338,041.86 = 222,658.47/x
  3. Step 3: Cross multiply
    226,643.67x = 338,041.86 × 222,658.47
  4. Step 4: Simplify right side
    226,643.67x = 75,267,882,508.59
  5. Step 5: Solve for x
    x = 75,267,882,508.59/226,643.67
  6. Step 6: Final answer
    x = 332,097.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.